whats are equivalent functions of sybase replace ,to_number of oracle

whats are the equivalent functions in sybase for replace and to_number in oracle..,

Sridhar.
sriven3Asked:
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mathavraConnect With a Mentor Commented:
You can use convert function for to_number as below:

select convert(int, "12345")


You may be able to use "stuff" function for replace:


It Returns the string formed by deleting a specified number of characters from one string and replacing them with another string.

Syntax
stuff(char_expr1, start, length, char_expr2)

Arguments
char_expr1 - is a character-type column name, variable, or constant expression of char, varchar, nchar or nvarchar type.

start - specifies the character position at which to begin deleting characters.

length - specifies the number of characters to delete.

char_expr2 - is another character-type column name, variable, or constant expression of char, varchar, nchar or nvarchar type.

Examples
select stuff("abc", 2, 3, "xyz")
go
----
axyz

select stuff("abcdef", 2, 3, null)
go
---
aef

select stuff("abcdef", 2, 3, "")
go
----
a ef

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amitpagarwalCommented:
seen a very similar question earlier .. maybe search in PAQ's
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